code: def java_actor_class(class_name: str):
      """Define a Java actor class.
  
      Args:
          class_name: Java class name.
      """
      from ray.actor import ActorClass
  
      return ActorClass._ray_from_function_descriptor(
          Language.JAVA,
          JavaFunctionDescriptor(class_name, "<init>", ""),
          {},
      )
  
file_path: ray/python/ray/cross_language.py
imports: from __future__ import absolute_import, division, print_function
  from ray import Language
  from ray._raylet import CppFunctionDescriptor, JavaFunctionDescriptor
  from ray.util.annotations import PublicAPI
label_desc: Use image node_id 3 for calling a global function with example usage: java_actor_class(class_name) and returns: ActorClass